题目内容
（请给出正确答案）
A.当一个人做出了成绩并取得了报酬以后，他不仅关心自己所得报酬的绝对量，而且关心自己所得报酬的相对量
B.当一个人认为他的努力极可能导致很好的表现
C.横向比较将自己获得的“报偿”与自己的“投入”的比值与组织内其他人作社会比较
D.纵向比较把自己目前投入的努力与目前所获得报偿的比值，同自己过去投入的努力与过去所获报偿的比值进行比较
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更多“有关公平理论错误的是()。”相关的问题
B、CASCADE
C、SETNULL
D、SETDEFAULT
The smallest bat in the world is from Southeast Asia.This kind of bat measures about 30 millimeters in length. The world's largest bat, the Giant Golden-Crowned Flying Fox, has a wingspan of 1.5 meters.Most bats eat insects,but many feed on fruit or nectar from flowers.
Many people think bats are blind,but this is not true.Many species have very good sight.Most bats communicate and find their way by making"echolocation" ( 回声定位法 ) noises.They produce high-frequency noises and can estimate the distance of an object by using the sound echoes that bounce back to them. So, while bats may travel in total darkness, they"see"using sound.
Sadly, bats are widely feared and misunderstood. Most bats come out of their shelters only at nightfall. Three bat species feed on blood. Because of these qualities, bats have long been linked in many cultures to death, darkness and blood-drinking.
Yet bats are important for agriculture and our environment. They help pollinate (授粉)plants and spread seeds. They also help control insects. Bats eat huge numbers of insects,including kinds that damage crops.
For example, a brown bat can eat more than 1,000 insects in one hour.Onereport says bats save American farmers billions of dollars every year by reducing crop damage and limiting the need for chemicals that kill insects.
Over one-fifth of all bat species are under threat. They face disease and the human destruction of their natural environments.In some areas, diseases have killed nearly 100% of bat populations.
第21题 The United Nations declared 2011 to 2012 the Year of the Bat,because bats_____.
A.are beneficial animals B.are close to extinction
C.have been misunderstood D.are under serious threat
第22题 Bats can fly in total darkness, because_____.
A.their eye sight is extremely sharp
B.they can fly without using their sight
C.they don't have eye sight in daytime
D.they are very familiar with their environment
第23题 Many people fear bats because_____.
A.many cultures connect bats with unpleasant things
B.bats are very ugly in appearance
C.bats are thought to be blind
D.bats carry deadly diseases with them
第24题 It can be concluded that_____.
A.bats are more easily to be killed by diseases
B.bat population has been reduced sharply these days
C.bats can help farmers save crops and money
D.bats' living environment has been mostly destroyed
第25题 The word" nectar" in the second paragraph probably means_____.
A.the flowers' eyes B.the flowers' leaves
C.the smell produced by flowers D.the liquid produced by flowers
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